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Finding the Fourth Proportional to 75,087.88, 103,621.27 and 41,556.04

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Solution

The fourth proportional to 75,087.88, 103,621.27 and 41,556.04 is: 57,347.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,087.88 : 103,621.27 = 41,556.04 : x
  2. Step 2: Convert to fraction form
    75,087.88/103,621.27 = 41,556.04/x
  3. Step 3: Cross multiply
    75,087.88x = 103,621.27 × 41,556.04
  4. Step 4: Simplify right side
    75,087.88x = 4,306,089,122.86
  5. Step 5: Solve for x
    x = 4,306,089,122.86/75,087.88
  6. Step 6: Final answer
    x = 57,347.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.